Vega

synphot.spectrum.Vega = None

Default Vega spectrum. Used for conversions to and from VEGAMAG when no Vega spectrum is given.

This is lazily loaded when needed using SourceSpectrum.from_vega(). There are several mechanisms to use a different spectrum for Vega:

• Reset synphot.spectrum.Vega to None and reload using lazy_load_vega() before it is used.

• Provide Vega spectrum as argument to conversion functions that require it (e.g., synphot.units.convert_flux()).